{"id":225,"date":"2017-06-07T13:42:59","date_gmt":"2017-06-07T13:42:59","guid":{"rendered":"http:\/\/pencidesign.com\/soledad\/soledad-hipster\/?p=225"},"modified":"2021-09-17T15:49:09","modified_gmt":"2021-09-17T15:49:09","slug":"cyclopentane","status":"publish","type":"post","link":"https:\/\/junyuanpetroleumgroup.com\/solvents\/cyclopentane\/","title":{"rendered":"Introduction to Cyclopentane"},"content":{"rendered":"

Introduction to Cyclopentane
\nCyclopentane (molecular formula: c5h10) is a five carbon naphthenic hydrocarbon. It is colorless, clear and highly flammable liquid at room temperature, with smell similar to gasoline. It is insoluble in water, but soluble in most organic solvents such as benzene, alcohol, ether and carbon tetrachloride. Melting point \u2013 94 \u00b0 C, boiling point 49 \u00b0 C.<\/p>\n

\n\n\n\n\n\n\n
Name in Chinese<\/th>\n\u73af\u620a\u70f7<\/td>\nName in English<\/th>\ncyclopentane<\/td>\n<\/tr>\n
Chinese Alias<\/th>\nPentamethylene; Cyclopentamethylene;<\/td>\nEnglish Alias<\/th>\n\n

Cyclopentane,AcroSeal,Extra Dry;pentamethylene;CYCLOPENTANE;L-selectride;<\/p>\n<\/td>\n<\/tr>\n

CAS#<\/th>\n287-92-3<\/td>\nMolecular Formula<\/th>\nC5H10<\/td>\n<\/tr>\n
Molecular Weight<\/th>\n70.13290<\/td>\nPrecise Quality<\/th>\n70.07830<\/td>\n<\/tr>\n
PSA<\/th>\n0.00000<\/td>\nLOGP<\/th>\n1.95050<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n

<\/p>\n

\n

Cyclopentane is usually used as solvent, foaming agent for preparing polyurethane foam (replacing Freon) and chromatographic analysis standard substance.<\/span><\/p>\n

Applications of Cyclopentane<\/span><\/div>\n<\/blockquote>\n<\/div>\n
China Customs\uff082902199090\uff09<\/div>\n
    \n
  • Overview 2902199090 other cycloalkanes, cycloalkenes and cycloterpenes. Regulatory conditions: none. VAT rate: 17.0%. Tax rebate rate: 9.0%. MFN tariff: 2.0%. General tariff: 30.0%<\/li>\n
  • Summary<\/span>2902199090 other cyclanes, cyclenes and cyclotherpenes\u3002Supervision conditions:None\u3002VAT:17.0%\u3002Tax rebate rate:9.0%\u3002MFN tariff:2.0%\u3002General tariff:30.0%<\/span><\/li>\n<\/ul>\n

    Cyclopentane<\/h2>\n

    Essential Information
    \nCyclopentane
    \nEnglish Name: cyclopentane
    \nAlias: glycine hydrochloride aminoacetyl hydrochloride
    \nMore names: glycinamide monohydrochloride
    \nCAS No.: 287-92-3
    \nMolecular formula: c5h10
    \nMolecular weight: 70.1329
    \nSMILES\uff1aC1CCCC1<\/p>\n

    Physical Property Data
    \n1. Properties: colorless transparent liquid with benzene like smell. [1]
    \n2. Melting point (\u2103): \u2013 94 [2]
    \n3. Boiling point (\u2103): 49.2 [3]
    \n4. Relative density (water = 1): 0.75 [4]
    \n5. Relative vapor density (air = 1): 2.42 [5]
    \n6. Saturated vapor pressure (kPa): 45 (20 \u2103) [6]
    \n7. Heat of combustion (kJ \/ mol): \u2013 3287.8 [7]
    \n8. Critical temperature (\u2103): 238.6 [8]
    \n9. Critical pressure (MPA): 4.52 [9]
    \n10. Octanol \/ water partition coefficient: 3.0 [10]
    \n11. Flash point (\u2103): \u2013 37 (CC) [11]
    \n12. Ignition temperature (\u2103): 361 [12]
    \n13. Upper explosion limit (%): 8.7 [13]
    \n14. Lower explosive limit (%): 1.1 [14]
    \n15. Solubility: insoluble in water, soluble in ethanol, ether, benzene, carbon tetrachloride, acetone and other organic solvents. [15]
    \n16. Critical density (g \u00b7 cm-3): 0.270
    \n17. Critical volume (cm3 \u00b7 mol-1): 259
    \n18. Critical compression factor: 0.275
    \n19. Eccentricity factor: 0.194
    \n20. Lennard Jones parameter (a): 6.2425
    \n21. Lennard Jones parameter (k): 195.95
    \n22. Solubility parameter (J \u00b7 cm-3) 0.5:16.682
    \n23. Van der Waals area (cm2 \u00b7 mol \u207b \u00b9\uff09\uff1a six point seven five zero \u00d7 one hundred and nine
    \n24. Van der Waals volume (cm3 \u00b7 mol-1): 49.690
    \n25. Standard combustion heat (enthalpy) of gas phase (kJ \u00b7 mol-1): -3319.75
    \n26. Standard declared heat (enthalpy) of gas phase (kJ \u00b7 mol-1): \u2013 77.1
    \n27. Standard entropy of gas phase (J \u00b7 mol-1 \u00b7 k-1): 292.86
    \n28. Standard free energy of formation in gas phase (kJ \u00b7 mol-1): 39.0
    \n29. Gas phase standard hot melt (J \u00b7 mol-1 \u00b7 k-1): 18.76
    \n30. Standard combustion heat (enthalpy) of liquid phase (kJ \u00b7 mol-1): -3290.89
    \n31. Standard declared heat (enthalpy) of liquid phase (kJ \u00b7 mol-1): \u2013 105.8
    \n32. Standard entropy of liquid phase (J \u00b7 mol-1 \u00b7 k-1): 204.26
    \n33. Standard free energy of formation in liquid phase (kJ \u00b7 mol-1): 36.5
    \n34. Liquid phase standard hot melt (J \u00b7 mol-1 \u00b7 k-1): 126.87<\/p>\n

    Storage Method
    \nStorage precautions [24] store in a cool and ventilated warehouse. Keep away from fire and heat source. The storage temperature should not exceed 29 \u2103. Keep the container sealed. It shall be stored separately from oxidant and shall not be mixed. Explosion proof lighting and ventilation facilities shall be adopted. It is forbidden to use mechanical equipment and tools that are easy to produce sparks. The storage area shall be equipped with leakage emergency treatment equipment and appropriate receiving materials.<\/p>\n

    Synthetic Method
    \nIt can be prepared by hydrogenation of cyclopentadiene produced by coal carbonization.<\/p>\n

    Main Uses
    \nIt is used to replace freon, widely used in fridge, freezer and other rigid PU foam.<\/p>\n

    System Number
    \nCAS No.: 287-92-3
    \nMDL No.: mfcd00001356
    \nEINECS No.: 206-016-6
    \nRTECS No.: gy239000
    \nBRN No.: 1900195
    \nPubChem No.: 24857286<\/p>\n

    Molecular Structure Data
    \n1. Molar refractive index: 23.05
    \n2. Molar volume (m3 \/ mol): 88.7
    \n3. Isotonic specific volume (90.2k): 200.2
    \n4. Surface tension (dyne \/ cm): 25.9
    \n5. Dielectric constant (F \/ M): not available
    \n6. Even distance (d): not available
    \n7. Polarizability (10-24cm3): 9.14<\/p>\n

    Computational chemistry data
    \n1. Reference value for hydrophobic parameter calculation (xlogp): 3
    \n2. Number of hydrogen bond donors: 0
    \n3. Number of hydrogen bond receptors: 0
    \n4. Number of rotatable chemical bonds: 0
    \n5. Number of tautomers: None
    \n6. Topological molecular polar surface area (TPSA): 0
    \n7. Number of heavy atoms: 5
    \n8. Surface charge: 0
    \n9. Complexity: 11.6
    \n10. Number of isotopic atoms: 0
    \n11. Determine the number of atomic stereocenters: 0
    \n12. Number of uncertain atomic stereocenters: 0
    \n13. Determine the number of chemical bond stereocenters: 0
    \n14. Number of indeterminate chemical bond stereocenters: 0
    \n15. Number of covalent bond units: 1<\/p>\n

    Safety Information
    \nPacking grade: II
    \nHazard category: 3
    \nCustoms Code: 2902199090
    \nTransport code of dangerous goods: un11463 \/ PG2
    \nWGKGermany\uff1a1
    \nHazard category code: R11; R52\/53
    \nSafety instructions: s9-s16-s29-s33-s61
    \nRTECS No.: gy239000
    \nDangerous goods sign: F: flammable;<\/p>\n

    \n\n\n\n\n\n\n\n\n\n\n
    Country<\/span><\/th>\nHS Code<\/span><\/th>\nCustoms Data Update Time<\/span><\/th>\n\u00a0<\/span><\/th>\n<\/tr>\n
    China<\/td>\n2902199090<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
    USA<\/td>\n2902190050<\/td>\n2019-03<\/td>\n<\/td>\n<\/tr>\n
    India<\/td>\n29021900<\/td>\n2019-03<\/td>\n<\/td>\n<\/tr>\n
    Europe<\/td>\n29021900<\/td>\n2019-03<\/td>\n<\/td>\n<\/tr>\n
    UK<\/td>\n2902190000<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
    Japan<\/td>\n290219090<\/td>\n2019-03<\/td>\n<\/td>\n<\/tr>\n
    Korea<\/td>\n2902190000<\/td>\n2019-03<\/td>\n<\/td>\n<\/tr>\n
    Canada<\/td>\n2902190000<\/td>\n2019-03<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/body>","protected":false},"excerpt":{"rendered":"

    Introduction to Cyclopentane Cyclopentane (molecular formula: c5h10) is a five carbon naphthenic hydrocarbon. It is colorless, clear and highly flammable liquid at room temperature, with smell similar to gasoline. 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